drm/gma500: Remove unnecessary suspend/resume wrappers

The psb_runtime_suspend/resume/thaw/freeze/restore functions are all
just 1:1 wrappers around gma_power_suspend/_resume.

Drop these wrappers and use the DEFINE_RUNTIME_DEV_PM_OPS() macro to
define the dev_pm_ops struct.

Signed-off-by: Hans de Goede <[e-mail]>
Acked-by: Patrik Jakobsson <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/gma500/power.c

···
 {
 	pm_runtime_put(dev->dev);
 }
-
-int psb_runtime_suspend(struct device *dev)
-{
-	return gma_power_suspend(dev);
-}
-
-int psb_runtime_resume(struct device *dev)
-{
-	return gma_power_resume(dev);
-}
-
-int gma_power_thaw(struct device *_dev)
-{
-	return gma_power_resume(_dev);
-}
-
-int gma_power_freeze(struct device *_dev)
-{
-	return gma_power_suspend(_dev);
-}
-
-int gma_power_restore(struct device *_dev)
-{
-	return gma_power_resume(_dev);
-}

drivers/gpu/drm/gma500/power.h

···
  */
 int gma_power_suspend(struct device *dev);
 int gma_power_resume(struct device *dev);
-int gma_power_thaw(struct device *dev);
-int gma_power_freeze(struct device *dev);
-int gma_power_restore(struct device *_dev);
 
 /*
  * These are the functions the driver should use to wrap all hw access
···
  */
 bool gma_power_begin(struct drm_device *dev, bool force);
 void gma_power_end(struct drm_device *dev);
-
-/*
- * GFX-Runtime PM callbacks
- */
-int psb_runtime_suspend(struct device *dev);
-int psb_runtime_resume(struct device *dev);
 
 #endif /*_PSB_POWERMGMT_H_*/

drivers/gpu/drm/gma500/psb_drv.c

···
 	drm_dev_unregister(dev);
 }
 
-static const struct dev_pm_ops psb_pm_ops = {
-	.resume = gma_power_resume,
-	.suspend = gma_power_suspend,
-	.thaw = gma_power_thaw,
-	.freeze = gma_power_freeze,
-	.restore = gma_power_restore,
-	.runtime_suspend = psb_runtime_suspend,
-	.runtime_resume = psb_runtime_resume,
-};
+static DEFINE_RUNTIME_DEV_PM_OPS(psb_pm_ops, gma_power_suspend, gma_power_resume, NULL);
 
 static const struct file_operations psb_gem_fops = {
 	.owner = THIS_MODULE,